Table of Contents
Advertisement
Frequency shifting process
ENGLISH: Frequency shift keying (FSK)
The frequency shifting process is a simple modulation format in which digital values 0 and 1
are represented by two different frequencies.
GSD file
The file that describes the properties of a PROFIBUS DP slave or a PROFINET IO device.
The GSD file is a database file for PROFIBUS devices. The device manufacturer provides
the corresponding GSD file containing the description of device properties. The information
in the file can be read using Engineering Tools.
HART
HART (Highway Addressable Remote Transducer) is a standardized and widely used
communication system for erecting industrial fieldbuses. This communication system
enables digital communication of multiple participants (field devices) using a common data
bus. HART implements the widely used 4/20 mA standard to transfer analog sensor signals.
Existing cables of the old system can be used directly and both systems can be operated
simultaneously. HART specifies several protocol levels in the OSI model. HART enables
transfer of process and diagnostics information and control signals between field devices
and superordinated control system. Standardized parameter sets can be used for
manufacturer-independent operation of all HART devices.
HART communicator
Connection with a two-wire line is directly established for the parameter assignment with the
HART communicator. For the parameter assignment with a laptop or a PC, a HART modem
is connected in between.
Increment
From the Latin word incrementare, increase. Increment is the defined amount of change
when increasing a variable(s) gradually. In informatics, it is referred to as the stepwise
increase in a numeric value.→Decrement.
Initialization
Setting the most important basic parameters. Requirement for commissioning the positioner.
IP code
The abbreviation IP stands for International Protection as per DIN. In English-speaking
countries, IP stands for Ingress Protection.
SIPART PS2 with and without HART
Operating Instructions, 09/2014, A5E00074631-12
Glossary
285
Advertisement
Table of Contents
